#pragma once

#include "AbstractTask.h"

#include "Common/AsstBattleDef.h"
#include "Config/Miscellaneous/TilePack.h"
#include "InstHelper.h"
#include "MaaUtils/NoWarningCVMat.hpp"
#include "Utils/Platform.hpp"
#include "Utils/WorkingDir.hpp"
#include "Vision/BestMatcher.h"

#include <concepts>
#include <filesystem>
#include <map>

namespace asst
{
template <typename T>
concept OperAvatarPair = requires {
    typename T::first_type;
    typename T::second_type;
    requires std::same_as<std::string, std::remove_cvref_t<typename T::first_type>>;
    requires std::same_as<cv::Mat, std::remove_cvref_t<typename T::second_type>>;
};

class BattleHelper
{
public:
    ~BattleHelper() = default;

protected:
    BattleHelper(Assistant* inst);

    virtual AbstractTask& this_task() = 0;

    virtual bool set_stage_name(const std::string& name);
    virtual void clear();

    virtual const std::string oper_name_ocr_task_name() const noexcept { return "BattleOperName"; }

    virtual bool do_strategic_action(const cv::Mat& reusable = cv::Mat());

    bool calc_tiles_info(const std::string& stage_name, double shift_x = 0, double shift_y = 0);

    bool pause();
    bool speed_up();
    bool abandon();

    bool update_deployment(bool init = false, const cv::Mat& reusable = cv::Mat(), bool need_oper_cost = false);
    // 更新部署区的干员，仅当存在未识别干员且不处于冷却中return false
    bool update_deployment_(
        std::vector<battle::DeploymentOper>& cur_opers,
        const std::vector<battle::DeploymentOper>& old_deployment_opers,
        bool stop_on_unknown);
    bool update_kills(const cv::Mat& image, const cv::Mat& image_prev = cv::Mat());
    bool update_cost(const cv::Mat& image, const cv::Mat& image_prev = cv::Mat());

    cv::Mat get_top_view(const cv::Mat& cam_img, bool side = true);

    bool deploy_oper(const std::string& name, const Point& loc, battle::DeployDirection direction);
    bool retreat_oper(const std::string& name);
    bool retreat_oper(const Point& loc, bool manually = true);
    bool is_skill_ready(const Point& loc, const cv::Mat& reusable = cv::Mat());
    bool is_skill_ready(const std::string& name, const cv::Mat& reusable = cv::Mat());
    bool use_skill(const std::string& name, bool keep_waiting = true);
    bool use_skill(const Point& loc, bool keep_waiting = true);
    bool check_pause_button(const cv::Mat& reusable = cv::Mat());
    bool check_skip_plot_button(const cv::Mat& reusable = cv::Mat());
    bool check_in_speed_up(const cv::Mat& reusable = cv::Mat());
    virtual bool check_in_battle(const cv::Mat& reusable = cv::Mat(), bool weak = true);
    virtual bool wait_until_start(bool weak = true);
    bool wait_until_end(bool weak = true);
    bool use_all_ready_skill(const cv::Mat& reusable = cv::Mat());
    bool check_and_use_skill(const std::string& name, bool& has_error, const cv::Mat& reusable = cv::Mat());
    bool check_and_use_skill(const Point& loc, bool& has_error, const cv::Mat& reusable = cv::Mat());
    void save_map(const cv::Mat& image);

    bool click_oper_on_deployment(const std::string& name);
    bool click_oper_on_deployment(const Rect& rect);
    bool click_oper_on_battlefield(const std::string& name);
    bool click_oper_on_battlefield(const Point& loc);
    bool click_retreat();                       // 这个是不带识别的，直接点
    bool click_skill(bool keep_waiting = true); // 这个是带识别的，转好了才点
    bool cancel_oper_selection();
    // 修正终点超出范围的滑动，纠正时是否需要顺时针旋转
    void fix_swipe_out_of_limit(
        Point& p1,
        Point& p2,
        int width,
        int height,
        int max_distance = INT_MAX,
        double radian = 0);
    bool move_camera(const std::pair<double, double>& delta);

    std::string analyze_detail_page_oper_name(const cv::Mat& image);
    std::optional<Rect> get_oper_rect_on_deployment(const std::string& name) const;

    int elapsed_time();

    // 注册已部署干员及位置
    void register_deployed_oper(const std::string& name, const Point& loc);
    // 从场上干员和已占用格子中移除冷却中的干员
    void remove_cooling_from_battlefield(const battle::DeploymentOper& oper);

    std::string m_stage_name;
    Map::Level m_map_data;
    std::unordered_map<Point, TilePack::TileInfo> m_side_tile_info;   // 子弹时间的坐标映射
    std::unordered_map<Point, TilePack::TileInfo> m_normal_tile_info; // 正常的坐标映射
    Point m_skill_button_pos;
    Point m_retreat_button_pos;
    std::unordered_map<std::string, battle::SkillUsage> m_skill_usage;
    std::unordered_map<std::string, int> m_skill_times;
    std::unordered_map<std::string, int> m_skill_error_count;
    std::unordered_map<std::string, std::chrono::steady_clock::time_point> m_last_use_skill_time;
    int m_camera_count = 0;
    std::pair<double, double> m_camera_shift = { 0., 0. };

    /* 实时更新的数据 */
    bool m_in_battle = false;
    int m_kills = 0;
    int m_total_kills = 0;
    int m_cost = 0;
    bool m_stopwatch_enabled = false;
    std::chrono::steady_clock::time_point m_stopwatch_start_time;

    std::vector<battle::DeploymentOper> m_cur_deployment_opers;

    std::map<std::string, Point> m_battlefield_opers;
    std::map<Point, std::string> m_used_tiles;

private:
    InstHelper m_inst_helper;
};
} // namespace asst
